Coughing downward reduces spread of respiratory droplets: study

With many people heading indoors for the winter months and respiratory droplets acting as a major contributor to COVID-19 spread, the scientific community has renewed interest in the dynamics behind how they spread. Modeling ...

More microplastics are entering the ocean from disposable masks

The enormous surge of face-mask use since the beginning of the global lockdown in March 2020 has saved countless human lives, a crucial component to limiting the transmission of the novel coronavirus. But with 129 billion ...

Wildfire smoke may lead to less rain in the western US

As wildfires and heatwaves stress the western United States, concern over drought is rising: Dry landscapes burn more readily, and rain can help quell fires already raging. But wildfire smoke may keep that essential rain ...

Sustainable fuel blends could help airlines clean up their act

Sustainable fuel blends used by aircraft may help reduce the impact of aviation on climate warming by producing less contrail cloud, concludes a study published in Communications Earth & Environment. The findings suggest ...

New drug-formulation method may lead to smaller pills

About 60 percent of drugs on the market have hydrophobic molecules as their active ingredients. These drugs, which are not soluble in water, can be difficult to formulate into tablets because they need to be broken down into ...

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